BG40811A3 - Method for preparing 2- metoxyethyl- 4- hydroxy- 2- methyl- 2h- 1, 2- benzothiazine- 3- carboxylate- 1, 1- dioxide - Google Patents

Method for preparing 2- metoxyethyl- 4- hydroxy- 2- methyl- 2h- 1, 2- benzothiazine- 3- carboxylate- 1, 1- dioxide

Info

Publication number
BG40811A3
BG40811A3 BG061608A BG6160882A BG40811A3 BG 40811 A3 BG40811 A3 BG 40811A3 BG 061608 A BG061608 A BG 061608A BG 6160882 A BG6160882 A BG 6160882A BG 40811 A3 BG40811 A3 BG 40811A3
Authority
BG
Bulgaria
Prior art keywords
benzothiazine
carboxylate
hydroxy
dioxide
methyl
Prior art date
Application number
BG061608A
Other languages
Bulgarian (bg)
English (en)
Inventor
Paul Weeks
Original Assignee
Pfizer Inc., a corporation organized аnd existing under the laws of the State of Delaware
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from US06/308,746 external-priority patent/US4376204A/en
Application filed by Pfizer Inc., a corporation organized аnd existing under the laws of the State of Delaware filed Critical Pfizer Inc., a corporation organized аnd existing under the laws of the State of Delaware
Publication of BG40811A3 publication Critical patent/BG40811A3/xx

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D279/00—Heterocyclic compounds containing six-membered rings having one nitrogen atom and one sulfur atom as the only ring hetero atoms
    • C07D279/04—1,3-Thiazines; Hydrogenated 1,3-thiazines
    • C07D279/08—1,3-Thiazines; Hydrogenated 1,3-thiazines condensed with carbocyclic rings or ring systems
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D213/00—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members
    • C07D213/02—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members
    • C07D213/04—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members having no bond between the ring nitrogen atom and a non-ring member or having only hydrogen or carbon atoms directly attached to the ring nitrogen atom
    • C07D213/60—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members having no bond between the ring nitrogen atom and a non-ring member or having only hydrogen or carbon atoms directly attached to the ring nitrogen atom with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to ring carbon atoms
    • C07D213/72—Nitrogen atoms
    • C07D213/75—Amino or imino radicals, acylated by carboxylic or carbonic acids, or by sulfur or nitrogen analogues thereof, e.g. carbamates
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D275/00—Heterocyclic compounds containing 1,2-thiazole or hydrogenated 1,2-thiazole rings
    • C07D275/04—Heterocyclic compounds containing 1,2-thiazole or hydrogenated 1,2-thiazole rings condensed with carbocyclic rings or ring systems
    • C07D275/06—Heterocyclic compounds containing 1,2-thiazole or hydrogenated 1,2-thiazole rings condensed with carbocyclic rings or ring systems with hetero atoms directly attached to the ring sulfur atom
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D279/00—Heterocyclic compounds containing six-membered rings having one nitrogen atom and one sulfur atom as the only ring hetero atoms
    • C07D279/02—1,2-Thiazines; Hydrogenated 1,2-thiazines
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D417/00—Heterocyclic compounds containing two or more hetero rings, at least one ring having nitrogen and sulfur atoms as the only ring hetero atoms, not provided for by group C07D415/00
    • C07D417/02—Heterocyclic compounds containing two or more hetero rings, at least one ring having nitrogen and sulfur atoms as the only ring hetero atoms, not provided for by group C07D415/00 containing two hetero rings
    • C07D417/12—Heterocyclic compounds containing two or more hetero rings, at least one ring having nitrogen and sulfur atoms as the only ring hetero atoms, not provided for by group C07D415/00 containing two hetero rings linked by a chain containing hetero atoms as chain links

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Plural Heterocyclic Compounds (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Nitrogen And Oxygen Or Sulfur-Condensed Heterocyclic Ring Systems (AREA)
  • Cephalosporin Compounds (AREA)
  • Crystals, And After-Treatments Of Crystals (AREA)
  • Nitrogen- Or Sulfur-Containing Heterocyclic Ring Compounds With Rings Of Six Or More Members (AREA)
  • Nitrogen Condensed Heterocyclic Rings (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Compounds Of Unknown Constitution (AREA)
  • Thiazole And Isothizaole Compounds (AREA)
  • Pyridine Compounds (AREA)
BG061608A 1981-10-05 1982-10-04 Method for preparing 2- metoxyethyl- 4- hydroxy- 2- methyl- 2h- 1, 2- benzothiazine- 3- carboxylate- 1, 1- dioxide BG40811A3 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US06/308,746 US4376204A (en) 1981-10-05 1981-10-05 3-Hydroxy 2-methyl benzisothiazolines as intermediates in production of piroxicam
US41303682A 1982-09-02 1982-09-02

Publications (1)

Publication Number Publication Date
BG40811A3 true BG40811A3 (en) 1987-02-16

Family

ID=26976430

Family Applications (2)

Application Number Title Priority Date Filing Date
BG061608A BG40811A3 (en) 1981-10-05 1982-10-04 Method for preparing 2- metoxyethyl- 4- hydroxy- 2- methyl- 2h- 1, 2- benzothiazine- 3- carboxylate- 1, 1- dioxide
BG058162A BG40812A3 (en) 1981-10-05 1982-10-04 Method for preparing derivatives of pyroxycam

Family Applications After (1)

Application Number Title Priority Date Filing Date
BG058162A BG40812A3 (en) 1981-10-05 1982-10-04 Method for preparing derivatives of pyroxycam

Country Status (27)

Country Link
EP (1) EP0076643B1 (es)
KR (1) KR850001223B1 (es)
AT (1) ATE11916T1 (es)
AU (1) AU534759B2 (es)
BG (2) BG40811A3 (es)
CA (1) CA1187873A (es)
DD (2) DD216460A5 (es)
DE (1) DE3262440D1 (es)
DK (2) DK154646C (es)
EG (1) EG15847A (es)
ES (2) ES516208A0 (es)
FI (1) FI75342C (es)
GR (1) GR77345B (es)
HK (1) HK52687A (es)
HU (1) HU186977B (es)
IE (1) IE53957B1 (es)
IL (1) IL66921A0 (es)
IN (1) IN159273B (es)
MY (1) MY8700510A (es)
NO (1) NO157140C (es)
NZ (1) NZ202062A (es)
PH (2) PH17991A (es)
PL (2) PL136931B1 (es)
PT (1) PT75642B (es)
RO (2) RO86733B (es)
SG (1) SG22987G (es)
YU (2) YU42804B (es)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU759169B2 (en) 1997-09-05 2003-04-10 Warner-Lambert Company Certain benzothiazine dioxide endothelin antagonists and processes for their preparation

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3591584A (en) * 1968-08-27 1971-07-06 Pfizer Benzothiazine dioxides
US3853862A (en) * 1973-04-23 1974-12-10 Pfizer Production of 4-hydroxy-1,2-benzothiazine-3-carboxamides
US3891637A (en) * 1974-10-01 1975-06-24 Pfizer Process for the production of carboxamides of oxo-1,2-benzothiazine-1,1-dioxides
US3892740A (en) * 1974-10-15 1975-07-01 Pfizer Process for the production of carboxamides of oxo-1,2-benzothiazine-1,1-dioxides
US3960856A (en) * 1975-06-20 1976-06-01 Warner-Lambert Company Process for the preparation of 4-hydroxy-3-(5-methyl-3-isoxazolylcarbamoyl)-2-methyl-2H-1,2-benzothiazine 1,1-dioxide
SE421792B (sv) * 1976-01-12 1982-02-01 Pfizer Forfarande for framstellning av n-(2-pyridyl)-4-hydroxi-2-metyl-2h-1,2-benso-tiazin-3-karboxamid-1,1-dioxid
US4074048A (en) * 1976-05-10 1978-02-14 Warner-Lambert Company Process for the preparation of 4-hydroxy-2H-1,2-benzothiazine-3-carboxamide 1,1-dioxides
US4100347A (en) * 1976-06-10 1978-07-11 Pfizer Inc. 3,4-Dihydro-2-methyl-4-oxo-2H-1,2-benzothiazine-3-carboxylic acid-1,1-dioxide
US4289879A (en) * 1980-09-29 1981-09-15 Pfizer Inc. Synthetic method and intermediate for piroxicam

Also Published As

Publication number Publication date
ES8407034A1 (es) 1984-09-01
YU156084A (en) 1985-04-30
CA1187873A (en) 1985-05-28
DK154646B (da) 1988-12-05
IL66921A0 (en) 1982-12-31
EG15847A (en) 1987-04-30
IN159273B (es) 1987-04-25
RO84510B (ro) 1984-08-30
FI75342B (fi) 1988-02-29
YU42804B (en) 1988-12-31
PT75642B (en) 1985-12-09
FI823366A0 (fi) 1982-10-04
PL136540B1 (en) 1986-02-28
GR77345B (es) 1984-09-11
PL238506A1 (en) 1984-04-09
IE822393L (en) 1983-04-05
HK52687A (en) 1987-07-17
KR840001963A (ko) 1984-06-07
NZ202062A (en) 1985-08-30
DK204888A (da) 1988-04-14
PL244761A1 (en) 1984-07-16
AU8891782A (en) 1983-04-14
RO86733B (ro) 1985-05-01
YU222882A (en) 1985-04-30
KR850001223B1 (ko) 1985-08-23
EP0076643B1 (en) 1985-02-20
PH19297A (en) 1986-03-05
ES8400418A1 (es) 1983-11-01
ES522788A0 (es) 1984-09-01
HU186977B (en) 1985-10-28
ATE11916T1 (de) 1985-03-15
DK439482A (da) 1983-04-06
DK154139C (da) 1989-03-06
PL136931B1 (en) 1986-04-30
EP0076643A1 (en) 1983-04-13
RO86733A (ro) 1985-04-17
DK204888D0 (da) 1988-04-14
SG22987G (en) 1987-07-10
NO157140B (no) 1987-10-19
NO823330L (no) 1983-04-06
NO157140C (no) 1988-02-03
BG40812A3 (en) 1987-02-16
ES516208A0 (es) 1983-11-01
DD203051A5 (de) 1983-10-12
DK154139B (da) 1988-10-17
IE53957B1 (en) 1989-04-26
AU534759B2 (en) 1984-02-16
DD216460A5 (de) 1984-12-12
DE3262440D1 (en) 1985-03-28
YU42903B (en) 1988-12-31
FI75342C (fi) 1988-06-09
RO84510A (ro) 1984-06-21
MY8700510A (en) 1987-12-31
PH17991A (en) 1985-02-28
DK154646C (da) 1989-05-08
PT75642A (en) 1982-11-01
FI823366L (fi) 1983-04-06

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